如果成功調用雲Message QueueTT 版的OpenAPI，則會返回給用戶端ResponseCode=200；如果調用失敗，會返回對應的異常錯誤碼以及描述資訊。您可以根據以下異常資訊對照表尋找對應的解決方案。
Token相關錯誤碼
HttpCode | 錯誤碼 | 錯誤資訊 | 描述 |
404 | ApiNotSupport | The specified API is not supported. | 當前介面不支援，請檢查。 |
400 | ApplyTokenOverFlow | You have applied for tokens too many times. Please try again later. | 申請Token頻率過高，系統限流，請重試。 |
400 | CheckAccountInfoFailed | An error occurred while checking the account information by the STS token. | 解析STS Token帳號資訊失敗。 |
400 | InstancePermissionCheckFailed | An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings. | 執行個體許可權校正失敗，請確認雲Message QueueTT 版執行個體的所屬關係以及授權策略。 |
500 | InternalError | An error occurred while processing your request. Try again later. | 雲Message QueueTT 版後端服務異常，請重試。 |
400 | ParameterCheckFailed | An error occurred while validating the parameters. The parameters may be missing or invalid. | 參數校正失敗，可能缺失或者傳入值非法。 |
400 | PermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. | 資源許可權校正失敗，請檢查執行個體、Topic和Group ID的所屬許可權和授權策略。 |
500 | SystemOverFlow | An error occurred while processing your request. Please try again. | 系統限流，請重試。 |
400 | InvalidParameter.%s | An error occurred while validating the parameter. The parameter may be missing or invalid. | 參數校正失敗，可能缺失或者傳入值非法。 |
Group ID相關錯誤碼
HttpCode | 錯誤碼 | 錯誤資訊 | 描述 |
500 | CreateGroupIdError | Failed to create GroupId. Try again later. | 建立Group ID請求執行失敗，請稍後重試。 |
400 | GroupIdAlreadyExsited | The specified GroupId already exists. | 當前Group ID已經存在。 |
400 | GroupIdAlreadyUsedByOtherUsers | The current GroupId is used by another user. Please change to a different GroupId. | 當前Group ID已經被其他使用者佔用，請更換其他名稱。 |
500 | InternalError | An error occurred while processing your request. Try again later. | 雲Message QueueTT 版後端服務異常，請重試。 |
400 | ParameterFieldCheckFailed | Failed to validate the parameters. The parameters may be missing or invalid. | 參數校正失敗，可能缺失或者傳入值非法。 |
400 | InstancePermissionCheckFailed | An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings. | 執行個體許可權校正失敗，請確認雲Message QueueTT 版執行個體的所屬關係以及授權策略。 |
400 | InstanceNotFound | Failed to find the instance. The instanceId may be invalid. | 執行個體不存在，請檢查執行個體是否建立或執行個體ID是否填寫正確。 |
400 | PermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. | 資源許可權校正失敗，請檢查執行個體、Topic和Group ID的所屬許可權和授權策略。 |
Topic相關錯誤碼
HttpCode | 錯誤碼 | 錯誤資訊 | 描述 |
400 | ParameterFieldCheckFailed | Failed to validate the parameters. The parameters may be missing or invalid. | 參數校正失敗，可能缺失或者傳入值非法。 |
400 | MqttTopicNumExceeded | The maximum number of topics is exceeded. | 當前執行個體Topic數量超過系統限制。 |
400 | MqttTopicExist | The specified topic already exists. Please check the parameter. | 當前Topic已存在，請修改參數重新設定。 |
400 | InstanceNotFound | Failed to find the instance. The instanceId may be invalid. | 執行個體不存在，請檢查執行個體是否建立或執行個體ID是否填寫正確。 |
400 | ResourcePermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. | 資源許可權校正失敗，請檢查執行個體、Topic和Group ID的所屬許可權和授權策略。 |
400 | CreateMqttTopicFailed | An error occurred while creating the MQTT topic. Please check the parameter and try again. | 建立雲Message QueueTT 版Topic失敗，請檢查參數重試。 |
400 | InstancePermissionCheckFailed | An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings. | 執行個體許可權校正失敗，請確認雲Message QueueTT 版執行個體的所屬關係以及授權策略。 |
400 | PermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. | 資源許可權校正失敗，請檢查執行個體、Topic和Group ID的所屬許可權和授權策略。 |
規則相關錯誤碼
HttpCode | 錯誤碼 | 錯誤資訊 | 描述 |
400 | ParameterFieldCheckFailed | Failed to validate the parameters. The parameters may be missing or invalid. | 參數校正失敗，可能缺失或者傳入值非法。 |
400 | InstancePermissionCheckFailed | An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings. | 執行個體許可權校正失敗，請確認MQTT執行個體的所屬關係以及授權策略。 |
400 | PermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. | 資源許可權校正失敗，請檢查執行個體、Topic和Group ID的所屬許可權和授權策略。 |
400 | ResourcePermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. | 資源許可權校正失敗，請檢查執行個體、Topic和Group ID的所屬許可權和授權策略。 |
400 | CreateMqttRuleFailed | An error occurred while creating the MQTT rule. Please check the parameter and try again. | 建立雲Message QueueTT 版規則失敗，請檢查參數重試。 |
400 | MqttRuleExist | The specified MQTT rule already exists. Please check the parameter. | 當前規則已存在，請修改參數重新設定。 |
400 | MqttRuleNumExceeded | The maximum number of rules is exceeded. | 當前執行個體規則數量超過系統限制。 |
400 | InstanceNotFound | Failed to find the instance. The instanceId may be invalid. | 執行個體不存在，請檢查執行個體是否建立或執行個體ID是否填寫正確。 |
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